Free programming courses can help you learn coding languages like Python, JavaScript, and Ruby, along with foundational concepts such as algorithms and data structures. You can build practical skills in web development, software debugging, and creating applications, which are crucial for tackling real-world challenges.

LearnKartS
Skills you'll gain: Salesforce, Authentications, Salesforce Development, Data Access, Role-Based Access Control (RBAC), Security Controls, Data Security, Authorization (Computing), Event Monitoring, Application Security, Security Strategy, Data Sharing, Responsive Web Design, Compliance Reporting, User Accounts, Application Development, Mobile Development, User Interface (UI)
Intermediate · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Extensible Markup Language (XML), Hypertext Markup Language (HTML), Web Development Tools, Semantic Web, Web Development, Web Design, Data Validation, Development Environment, Verification And Validation, Integrated Development Environments, Debugging
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Generative Adversarial Networks (GANs), Transfer Learning, Artificial Neural Networks, Keras (Neural Network Library), Image Analysis, Convolutional Neural Networks, PyTorch (Machine Learning Library), Deep Learning, Tensorflow, Data Preprocessing, Embeddings, Network Architecture, Matplotlib, Jupyter, NumPy
Advanced · Course · 3 - 6 Months

Google Cloud
Skills you'll gain: AI Security, Threat Modeling, Open Web Application Security Project (OWASP), Model Deployment, Large Language Modeling, Secure Coding, Security Controls, Prompt Engineering, Application Programming Interface (API), System Configuration
Beginner · Course · 1 - 3 Months

Skills you'll gain: Program Development, Integrated Development Environments, Code Review, Software Development, AI Enablement, Debugging, Web Development Tools, JavaScript Frameworks, Web Development, Artificial Intelligence, React.js, Context Management, Machine Learning
Intermediate · Guided Project · Less Than 2 Hours

Packt
Skills you'll gain: React Redux, JavaScript Frameworks, Web Development Tools, Frontend Performance, Web Applications, Context Management, Data Store, Middleware, Programming Principles
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Remote Access Systems, Firewall, Virtual Machines, Virtual Networking, TCP/IP, Identity and Access Management, Proxy Servers, Test Tools
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Webpack, JavaScript Frameworks, Full-Stack Web Development, JSON, Web Development Tools, HTML and CSS, Application Programming Interface (API), Javascript, Web Development, Web Applications, Browser Compatibility, Authentications
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Transaction Processing, File I/O, Data Access, Data Persistence, Stored Procedure, SQL, Data Integrity, Databases, Secure Coding
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Server Side, Web Applications, Javascript, JSON, JavaScript Frameworks, Node.JS, PHP (Scripting Language), Web Development Tools, Restful API, Application Programming Interface (API), Extensible Markup Language (XML), Cascading Style Sheets (CSS), Hypertext Markup Language (HTML)
Beginner · Course · 1 - 4 Weeks

Universidad de los Andes
Skills you'll gain: Unified Modeling Language, Diagram Design, Object Oriented Design, Object Oriented Programming (OOP), Software Engineering, Software Design
Intermediate · Guided Project · Less Than 2 Hours

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Relational Databases, Databases, Database Theory, Database Design, Database Systems, Database Management, SQL, Database Architecture and Administration, Database Management Systems, Query Languages, Data Modeling, Transaction Processing, Data Management, Data Integrity, System Design and Implementation, Information Technology, Data Analysis, Information Architecture, Problem Solving, Logical Reasoning
Intermediate · Course · 1 - 3 Months